157788790

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1\times {\mathrm{499}}^1$

素因数の和:916

約数の個数: 32

約数和(自身を含む): 288288000

約数和(自身を除く): 130499210

約数列:

[1, 2, 5, 10, 103, 206, 307, 499, 515, 614, 998, 1030, 1535, 2495, 3070, 4990, 31621, 51397, 63242, 102794, 153193, 158105, 256985, 306386, 316210, 513970, 765965, 1531930, 15778879, 31557758, 78894395, 157788790]

約数ペア:

[(1, 157788790), (2, 78894395), (5, 31557758), (10, 15778879), (103, 1531930), (206, 765965), (307, 513970), (499, 316210), (515, 306386), (614, 256985), (998, 158105), (1030, 153193), (1535, 102794), (2495, 63242), (3070, 51397), (4990, 31621)]